MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable hosting, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to public Wi-Fi access. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://yafferge.ru/strik?utm_term=how+to+connect+to+mcdonalds+wifi+on+mac In PDF document text
- https://sobanuwutotamiw.weebly.com/uploads/1/3/4/1/134131644/pibivipede-nikesokatipege-bepezarijapir.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374522/normal_601d590939b32.pdfIn PDF document text
- https://mufirurinonezu.weebly.com/uploads/1/3/4/6/134669904/8250087.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377114/normal_6054fde84b477.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464542/normal_6018cb4a9fdb9.pdfIn PDF document text
- https://marizezibafive.weebly.com/uploads/1/3/4/8/134865590/kesatiferuwo_difatekajisurik.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466135/normal_60639d696b816.pdfIn PDF document text
- https://rolugoxeve.weebly.com/uploads/1/3/1/3/131380951/5287915.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381297/normal_6060a5c65085f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478393/normal_5ff3226aa6bee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367903/normal_601e95b6b970f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365626/normal_6043be6d7f7bb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zonebon/bubble_shooter_games_apkpure.pdfIn PDF document text
- https://s3.amazonaws.com/lonozote/brian_tracy_goal_setting_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/adad543b-cb03-41f0-93ba-e8b22e1b021e/how_to_download_music_for_free_on_samsung.pdfIn PDF document text
- https://s3.amazonaws.com/bagokiko/authy_pro_apk.pdfIn PDF document text
- https://s3.amazonaws.com/sakaburepagase/future_perfect_tense_worksheet_with_answers.pdfIn PDF document text
- https://s3.amazonaws.com/rubidokezive/xudutidej.pdfIn PDF document text
- https://s3.amazonaws.com/jeworurowam/72054705002.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a246042-2265-47b1-b6bb-c4d37b15d0bb/the_politics_of_jesus_john_howard_yoder.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB30 | 5124 bytes |
SHA-256: 2e8c6135e4fd44816b673ac90ac990ecb88c5c3fca7e213614659910dd10d069 |
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font_01_sfnt_off00010c9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C9C | 11432 bytes |
SHA-256: a8549dafb6cb52d79a6e9cb9b9385a9ce418ef6a4cb6444505a9274182533cfd |
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